package per.jdz.cyclicbarrier;

import java.util.concurrent.BrokenBarrierException;
import java.util.concurrent.CyclicBarrier;

public class CyclicBarrierDemo {
    public static void main(String[] args) {
        CyclicBarrier cyclicBarrier = new CyclicBarrier(7, ()-> {
            System.out.println("召唤神龙！");
        });
        for (int i = 0; i < 7; i++) {
            final int temp = i + 1;
            new Thread(()->{
                System.out.println("收集第" + temp + "颗龙珠");
                try {
                    cyclicBarrier.await();
                } catch (InterruptedException | BrokenBarrierException e) {
                    throw new RuntimeException(e);
                }
            }).start();
        }
    }
}
